#include<stdio.h>
#include<math.h>
int main()
{
    void swap(int *p1,int *p2);
    int a,b;
    int *pointer1,*pointer2;
    printf("请输入a和b:");
    scanf("%d%d",&a,&b);
    pointer1=&a;
    pointer2=&b;
    if(a<b)
    swap(pointer1,pointer2);
    printf("max=%d,min=%d\n",a,b);
    
    
    return 0;
}
void swap(int *p1,int *p2)
{
    int temp;
    temp=*p1;
    *p1=*p2;
    *p2=temp;
}